Post #11774 132 Nov 21, 2024, 12:29 UTC The costs of the i386 to x86-64 upgradehttps://blogsystem5.substack.com/p/x86-64-programming-modelshttps://redd.it/1gvz269@programmingreddit Substack The costs of the i386 to x86-64 upgrade If you read my previous article on DOS memory models, you may have dismissed everything I wrote as “legacy cruft from the 1990s that nobody cares about any longer”. It's time to see how any of that carried over through the 16-bit to 64-bit evolution.